Murat, V., Rivera, A., Pouliot, J., Miranda-Salas, M. y Savard, M. M. (2004) «Aquifer vulnerability mapping and GIS: A proposal to monitor uncertainty associated with spatial data processing», Geofísica Internacional, 43(4), pp. 551–565. doi: 10.22201/igeof.00167169p.2004.43.4.789.